On Saturday, January 25, 2014 5:02:42 PM UTC-6, W wrote:
[snip]
Which short chain fatty acids?
Acetic acid (sold as vinegar)?
http://en.wikipedia.org/wiki/Acetic_acid
Formic acid (stings enough few people want any)?
http://en.wikipedia.org/wiki/Formic_acid
Propanoic acid (sometimes used as a preservative in food)?
http://en.wikipedia.org/wiki/Propanoic_acid
Butyric acid (found naturally in milk)?
http://en.wikipedia.org/wiki/Butyric_acid
And so as the chains extend. The bacteria in your large intestine tend to produce these.